Evolving RP2040 Train-Signage — Bringing SSL to WIZnet Ethernet on Raspberry Pi Pico

Benjamin

Published July 28, 2025 © MIT license (MIT)

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Custom CircuitPython firmware adds SSL to Pico/Pico 2 + WIZnet W5500, letting a long-running train-signage project fetch Tokyu line data over HTTPS.

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